#!/usr/bin/python
# -*- coding: UTF-8 -*-
from datetime import datetime
from os import abort
from flask_moment import Moment
from flask import render_template, session, redirect, url_for, flash, request, current_app, make_response
from flask_login import login_user, logout_user, login_required, current_user

from ..decorators import admin_required, permission_required
from . import main
from .forms import NameForm, EditProfileForm, EditProfileAdminForm, PostForm, CommentForm
from .. import db
from ..models import User, Role, Permission, Post, Comment


@main.route('/', methods=['GET', 'POST'])
def index():
    form = PostForm()
    if current_user.can(Permission.WRITE_ARTICLES) and form.validate_on_submit():
        post = Post(body=form.body.data, author=current_user._get_current_object())
        db.session.add(post)
        return redirect(url_for('.index'))
    posts = Post.query.order_by(Post.timestamp.desc()).all()
    page = request.args.get('page', 1, type=int)
    show_followed = False
    if current_user.is_authenticated:
        show_followed = bool(request.cookies.get('show_followed', ''))
    if show_followed:
        query_ = current_user.followed_posts
    else:
        query_ = Post.query

    pagination = query_.order_by(Post.timestamp.desc()).paginate(
        page, per_page=current_app.config['FLASKY_POSTS_PER_PAGE'],
        error_out=False
    )
    posts = pagination.items
    return render_template('index.html', form=form, posts=posts, pagination=pagination, show_followed=show_followed)


@main.route('/user/<username>')
def user(username):
    user = User.query.filter_by(username=username).first()
    if user is None:
        abort(404)
    posts = user.posts.order_by(Post.timestamp.desc()).all()
    return render_template('user.html', user=user, posts=posts)


@main.route('/edit-profiled', methods=['GET', 'POST'])
@login_required
def edit_profile():
    form = EditProfileForm()
    if form.validate_on_submit():
        current_user.name = form.name.data
        current_user.location = form.location.data
        current_user.about_me = form.about_me.data
        db.session.add(current_user)
        flash('Your profile has been updated.')
        return redirect(url_for('.user', username=current_user.username))
    form.name.data = current_user.name
    form.location.data = current_user.location
    form.about_me.data = current_user.about_me
    return render_template('edit_profile.html', form=form)


@main.route('/edit-profile/<int:id>', methods=['GET', 'POST'])
@login_required
@admin_required
def edit_profile_admin(id):
    user = User.query.get_or_404(id)
    form = EditProfileAdminForm(user=user)
    if form .validate_on_submit():
        user.email = form.email.data
        user.username = form.username.data
        user.confirmed = form.confirmed.data
        user.role = Role.query.get(form.role.data)
        user.name = form.name.data
        user.location = form.location.data
        user.about_me = form.about_me.data
        db.session.add(user)
        flash(u'用户资料已被更新！')
        return redirect(url_for('.user', username=user.username))
    form.email.data = user.email
    form.username.data = user.username
    form.confirmed.data = user.confirmed
    form.role.data = user.role_id
    form.name.data = user.name
    form.location.data = user.location
    form.about_me.data = user.about_me
    return render_template('edit_profile.html', form=form, user=user)


@main.route('/post/<int:id>', methods=['GET', 'POST'])
def post(id):
    post = Post.query.get_or_404(id)
    form = CommentForm()
    if form.validate_on_submit():
        comment = Comment(body=form.body.data,
                          post=post,
                          author=current_user._get_current_object())
        db.session.add(comment)
        flash(u'您的评论已然发送~')
        return redirect(url_for('.post', id=post.id, page=-1))
    page = request.args.get('page', 1, type=int)
    if page == -1:
        page = (post.comments.count() - 1) / current_app.config['FLASKY_COMMENTS_PER_PAGE'] +1
    pagination = post.comments.order_by(Comment.timestamp.asc()).paginate(
        page, per_page=current_app.config['FLASKY_COMMENTS_PER_PAGE'], error_out=False
    )
    comments = pagination.items
    return render_template('post.html', post=post, form=form, comments=comments, pagination=pagination)


@main.route('/edit/<int:id>', methods=['GET', 'POST'])
@login_required
def edit(id):
    post = Post.query.get_or_404(id)
    if current_user != post.author and not current_user.can(Permission.ADMINISTER):
        abort(403)
    form = PostForm()
    if form.validate_on_submit():
        post.body = form.body.data
        db.session.add(post)
        flash(u'该篇文章已被修改！')
        return redirect(url_for('.post', id=post.id))
    form.body.data = post.body
    return render_template('edit_post.html', form=form)


@main.route('/follow/<username>')
@login_required
@permission_required(Permission.FOLLOW)
def follow(username):
    user = User.query.filter_by(username=username).first()
    if user is None:
        flash(u'无此用户。')
        return redirect(url_for('.index'))
    if current_user.is_following(user):
        flash(u'你已经关注了此用户。')
        return redirect(url_for('.user', username=username))
    current_user.follow(user)
    flash(u'你现在关注了%s' % username)
    return redirect(url_for('.user', username=username))


@main.route('/unfollow/<username>')
@login_required
@permission_required(Permission.FOLLOW)
def unfollow(username):
    user = User.query.filter_by(username=username).first()
    if user is None:
        flash(u'无此用户。')
        return redirect(url_for('.index'))

    current_user.unfollow(user)
    flash(u'你现在取消了对%s的关注！' % username)
    return redirect(url_for('.user', username=username))


@main.route('/followers/<username>')
def followers(username):
    user = User.query.filter_by(username=username).first()
    if user is None:
        flash(u'不存在此用户！')
        return redirect(url_for('.index'))
    page = request.args.get('page', 1, type=int)
    pagination = user.followers.paginate(
        page, per_page=current_app.config['FlASKY_FOLLOWERS_PER_PAGE'],
        error_out=False
    )
    follows = [{'user': item.follower, 'timestamp': item.timestamp}
               for item in pagination.items]
    return render_template('followers.html', user=user, title='Follower of', endpoint='.followers',

                           pagination=pagination, followers=followers)
@main.route('/followed_by/<username>')
def followed_by(username):
    user = User.query.filter_by(username=username).first()
    if user is None:
        flash(u'不存在此用户！')
        return redirect(url_for('.index'))
    page = request.args.get('page', 1, type=int)
    pagination = user.followers.paginate(
        page, per_page=current_app.config['FlASKY_FOLLOWERS_PER_PAGE'],
        error_out=False
    )
    follows = [{'user': item.follower, 'timestamp': item.timestamp}
               for item in pagination.items]
    return render_template('followed.html', user=user, title='Follower of', endpoint='.followers',
                           pagination=pagination, followers=followers)


@main.route('/all')
@login_required
def show_all():
    resp = make_response(redirect(url_for('.index')))
    resp.set_cookie('show_followed', '', max_age=30*24*60*60)
    return resp


@main.route('/followed')
@login_required
def show_followed():
    resp = make_response(redirect(url_for('.index')))
    resp.set_cookie('show_followed', '1', max_age=30*24*60*60)
    return resp


@main.route('/moderate')
@login_required
@permission_required(Permission.MODERATE_COMMENTS)
def moderate():
    page = request.args.get('page', 1, type=int)
    pagination = Comment.query.order_by(Comment.timestamp.desc()).paginate(
        page, per_page=current_app.config['FLASKY_COMMENTS_PER_PAGE'],
        error_out=False
    )
    comments = pagination.items
    return render_template('moderate.html', comments=comments, pagination=pagination, page=page)


@main.route('/moderate/enable/<int:id>')
@login_required
@permission_required(Permission.MODERATE_COMMENTS)
def moderate_enable(id):
    comment = Comment.query.get_or_404(id)
    comment.disabled = False
    db.session.add(comment)
    return redirect(url_for('.moderate', page=request.args.get('page', 1, type=int)))


@main.route('/moderate/disable/<int:id>')
@login_required
@permission_required(Permission.MODERATE_COMMENTS)
def moderate_disable(id):
    comment = Comment.query.get_or_404(id)
    comment.disabled = True
    db.session.add(comment)
    return redirect(url_for('.moderate', page=request.args.get('page', 1, type=int)))

@main.route('/threejs/')
def threejs():
	pass
    return render_template('../../../3d_test_station/webgl/index.html')